I purchased this about six months ago. I am selling it because I don't use it much. Due to circumstances, I will be unable to ship from October 16th to November 5th, so I have slightly lowered the price for today only. Please feel free to ask for additional photos, etc. Brand: SONY Color: Black Ear Placement: Over-Ear Headphone Type: Closed-Back Dynamic Impedance: 1.4 ohms Noise Control: Active Noise Cancellation * High-quality wireless sound thanks to the built-in DAC and amplifier in the "High-Quality Noise Canceling Processor QN1" * Noise canceling performance is 4 times better than the previous model due to the QN1 * "DSEE HX" upscales various sound sources to Hi-Res quality * "NC Optimizer" optimizes the noise canceling function according to the user's condition and environment * Ambient sound mode allows you to enjoy music while taking in surrounding sounds * Ear pads provide a high level of fit and airtightness * Continuous use time: up to 30 hours, Sensitivity: 104.5dB/mW (wired connection, POWER ON at 1kHz), 101dB/mW (wired connection, POWER OFF at 1kHz) * Body weight: approx. 255g * Accessories: USB Type-C cable (approx. 20cm), headphone cable (approx. 1.2m), carrying case, airplane plug adapter * Foldable